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Issue 8, 2014
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Catalytic hydrogenation of C[double bond, length as m-dash]C and C[double bond, length as m-dash]O in unsaturated fatty acid methyl esters

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Abstract

Biodiesel derived from edible and non-edible oils has received much attention as a chemical feedstock or as a raw fuel alternative to the traditional diesel due to its renewability and biodegradability. However, the crude biodiesel containing large amounts of polyunsaturated fatty acid methyl esters (FAMEs) is susceptible to oxidation upon exposure to heat, light, and oxygen. Catalytic hydrogenation of biodiesel has been considered as a feasible and powerful technique to improve the oxidative stability of biodiesel and hence to provide stable raw materials for industrial applications. The catalytic hydrogenation of FAMEs is a complex process but basically consists of hydrogenation of C[double bond, length as m-dash]C or C[double bond, length as m-dash]O, depending on the desirable properties of final products. In this review, we summarize recent developments in hydrogenation of C[double bond, length as m-dash]C and C[double bond, length as m-dash]O in FAMEs with focus on catalysts, reaction mechanisms, and reactor conditions. The features of hydrogenation of FAMEs are generalized and the opportunities for future research in the field are outlined.

Graphical abstract: Catalytic hydrogenation of C [[double bond, length as m-dash]] C and C [[double bond, length as m-dash]] O in unsaturated fatty acid methyl esters

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Article information


Submitted
28 Feb 2014
Accepted
21 Apr 2014
First published
29 Apr 2014

Catal. Sci. Technol., 2014,4, 2427-2444
Article type
Minireview
Author version available

Catalytic hydrogenation of C[double bond, length as m-dash]C and C[double bond, length as m-dash]O in unsaturated fatty acid methyl esters

C. Hu, D. Creaser, S. Siahrostami, H. Grönbeck, H. Ojagh and M. Skoglundh, Catal. Sci. Technol., 2014, 4, 2427
DOI: 10.1039/C4CY00267A

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